Author(s): Yu-Han Gao, Wen-Xiao Shi, Yuan-Sha Chen, Ji-Rong Sun, Qing-Lin Yang, Xu Yang, Zhuo Deng, Peng-Tao Yang, Zheng Chang, Hong-Mei Feng, Wei He, Xiang-Qun Zhang, and Zhao-Hua Cheng Contrary to expectations, the magnetization dynamics of a ferromagnet can be accelerated by increasing temperature, laser excitation, or magnetic field—a behavior that holds promise for high-speed spintronics. [Phys. Rev. Lett. 137, 126903] Published Wed Sep 16, 2026